Home / 5,460,400.60-8,190,600.90-1,865,628.70

Finding the Fourth Proportional to 5,460,400.60, 8,190,600.90 and 1,865,628.70

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Solution

The fourth proportional to 5,460,400.60, 8,190,600.90 and 1,865,628.70 is: 2,798,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460,400.60 : 8,190,600.90 = 1,865,628.70 : x
  2. Step 2: Convert to fraction form
    5,460,400.60/8,190,600.90 = 1,865,628.70/x
  3. Step 3: Cross multiply
    5,460,400.60x = 8,190,600.90 × 1,865,628.70
  4. Step 4: Simplify right side
    5,460,400.60x = 15,280,620,109,285.83
  5. Step 5: Solve for x
    x = 15,280,620,109,285.83/5,460,400.60
  6. Step 6: Final answer
    x = 2,798,443.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.